JP2005520311A5 - - Google Patents

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Publication number
JP2005520311A5
JP2005520311A5 JP2004500350A JP2004500350A JP2005520311A5 JP 2005520311 A5 JP2005520311 A5 JP 2005520311A5 JP 2004500350 A JP2004500350 A JP 2004500350A JP 2004500350 A JP2004500350 A JP 2004500350A JP 2005520311 A5 JP2005520311 A5 JP 2005520311A5
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JP
Japan
Prior art keywords
carbon fiber
plain weave
weave carbon
fiber cloth
mea
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2004500350A
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Japanese (ja)
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JP2005520311A (en
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Publication date
Priority claimed from US10/028,173 external-priority patent/US20030134178A1/en
Application filed filed Critical
Publication of JP2005520311A publication Critical patent/JP2005520311A/en
Publication of JP2005520311A5 publication Critical patent/JP2005520311A5/ja
Pending legal-status Critical Current

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Claims (3)

電気化学電池用のガス拡散層を製造する方法であって、
ａ）平織り炭素繊維布を提供するステップと、
ｂ）前記平織り炭素繊維布の表面を、炭素粒子および１種もしくはそれ以上の高度フッ素化ポリマーを含んでなる層で被覆して、被覆された平織り炭素繊維布を製造するステップと、
ｃ）前記被覆された平織り炭素繊維布を２５％以上の圧縮まで圧縮するステップと、を含んでなり、前記圧縮するステップが、前記平織り炭素繊維布を別の層に取り付けることを含まない、方法。 A method for producing a gas diffusion layer for an electrochemical cell, comprising:
a) providing a plain weave carbon fiber cloth;
b) coating the surface of the plain weave carbon fiber fabric with a layer comprising carbon particles and one or more highly fluorinated polymers to produce a coated plain weave carbon fiber fabric;
c) compressing the coated plain weave carbon fiber cloth to a compression of 25% or more, wherein the compressing step does not include attaching the plain weave carbon fiber cloth to another layer. . 請求項１に記載の方法に従い製造される電気化学電池用のガス拡散層。   A gas diffusion layer for an electrochemical cell produced according to the method according to claim 1. 膜電極組立体（ＭＥＡ）であって、平織り炭素繊維布を含んでなるガス拡散層を含んでなり、かつ、５０ミクロン以下の厚さを有するポリマー電解質膜（ＰＥＭ）を含んでなり、前記膜電極組立体（ＭＥＡ）が、２５％の圧縮まで圧縮した場合、４００ｏｈｍ＊ｃｍ2以上の電気面積抵抗を有する、膜電極組立体（ＭＥＡ）。 A membrane electrode assembly (MEA) comprising a gas diffusion layer comprising a plain weave carbon fiber cloth and comprising a polymer electrolyte membrane (PEM) having a thickness of 50 microns or less, said membrane A membrane electrode assembly (MEA) having an electrical area resistance of 400 ohm * cm 2 or greater when the electrode assembly (MEA) is compressed to a compression of 25%.
JP2004500350A 2001-12-21 2002-10-28 Pre-compressed gas diffusion layer for electrochemical cells Pending JP2005520311A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/028,173 US20030134178A1 (en) 2001-12-21 2001-12-21 Precompressed gas diffusion layers for electrochemical cells
PCT/US2002/034526 WO2003092095A2 (en) 2001-12-21 2002-10-28 Precompressed gas diffusion layers for electrochemical cells

Publications (2)

Publication Number Publication Date
JP2005520311A JP2005520311A (en) 2005-07-07
JP2005520311A5 true JP2005520311A5 (en) 2006-01-05

Family

ID=21841977

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004500350A Pending JP2005520311A (en) 2001-12-21 2002-10-28 Pre-compressed gas diffusion layer for electrochemical cells

Country Status (8)

Country Link
US (1) US20030134178A1 (en)
EP (1) EP1459402A2 (en)
JP (1) JP2005520311A (en)
KR (1) KR20040073494A (en)
CN (1) CN1606813A (en)
AU (1) AU2002367782A1 (en)
CA (1) CA2468298A1 (en)
WO (1) WO2003092095A2 (en)

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EP1365464B1 (en) * 2002-05-17 2005-12-28 Umicore AG & Co. KG Continuous process for manufacture of gas diffusion layers for fuel cells
CA2452041A1 (en) * 2002-12-04 2004-06-04 Ballard Power Systems Inc. Application of an ionomer layer to a substrate and products related thereto
US20080233436A1 (en) * 2003-07-28 2008-09-25 General Motors Corporation Diffusion media tailored to account for variations in operating humidity and devices incorporating the same
US20050026012A1 (en) * 2003-07-28 2005-02-03 O'hara Jeanette E. Diffusion media tailored to account for variations in operating humidity and devices incorporating the same
US7419741B2 (en) * 2003-09-29 2008-09-02 3M Innovative Properties Company Fuel cell cathode catalyst
US7608334B2 (en) * 2005-03-29 2009-10-27 3M Innovative Properties Company Oxidatively stable microlayers of gas diffusion layers
KR100717790B1 (en) 2005-07-29 2007-05-11 삼성에스디아이 주식회사 Membrane/electrode assembly for fuel cell and fuel cell system comprising the same
US8415076B2 (en) * 2005-11-10 2013-04-09 GM Global Technology Operations LLC Gas diffusion layer preconditioning for improved performance and operational stability of PEM fuel cells
US7833645B2 (en) 2005-11-21 2010-11-16 Relion, Inc. Proton exchange membrane fuel cell and method of forming a fuel cell
US20080032174A1 (en) * 2005-11-21 2008-02-07 Relion, Inc. Proton exchange membrane fuel cells and electrodes
KR100761523B1 (en) * 2006-02-02 2007-10-04 주식회사 협진아이엔씨 Carbon slurry composition for preparation of gas diffusion layer for fuel cell
KR100761524B1 (en) * 2006-02-02 2007-10-04 주식회사 협진아이엔씨 Preparation of gas diffusion layer for fuel cell
US8026020B2 (en) 2007-05-08 2011-09-27 Relion, Inc. Proton exchange membrane fuel cell stack and fuel cell stack module
US9293778B2 (en) 2007-06-11 2016-03-22 Emergent Power Inc. Proton exchange membrane fuel cell
US8003274B2 (en) 2007-10-25 2011-08-23 Relion, Inc. Direct liquid fuel cell
KR20150143878A (en) * 2010-10-29 2015-12-23 발라드 파워 시스템즈 인크. Fuel cell assembly sealing arrangement
KR101351392B1 (en) 2011-07-13 2014-01-16 삼성에스디아이 주식회사 Electrode for fuel cell, and membrane-electrode assembly and fuel cell system including the same
US9146208B2 (en) * 2011-09-29 2015-09-29 Brigham Young University Lead-free oxygen sensor
US9966609B2 (en) 2013-06-20 2018-05-08 Gencell Ltd. Gas diffusion electrode and process for making same
CN109935845B (en) * 2017-12-15 2021-01-05 中国科学院大连化学物理研究所 Preparation method of microporous layer slurry for diffusion layer of fuel cell
CN111103100B (en) * 2018-10-26 2021-08-10 中国科学院大连化学物理研究所 Fuel cell membrane electrode leak detection device and leak detection method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4293396A (en) * 1979-09-27 1981-10-06 Prototech Company Thin carbon-cloth-based electrocatalytic gas diffusion electrodes, and electrochemical cells comprising the same
US5399184A (en) * 1992-05-01 1995-03-21 Chlorine Engineers Corp., Ltd. Method for fabricating gas diffusion electrode assembly for fuel cells
DE19544323A1 (en) * 1995-11-28 1997-06-05 Magnet Motor Gmbh Gas diffusion electrode for polymer electrolyte membrane fuel cells
US6232010B1 (en) * 1999-05-08 2001-05-15 Lynn Tech Power Systems, Ltd. Unitized barrier and flow control device for electrochemical reactors
US6627035B2 (en) * 2001-01-24 2003-09-30 Gas Technology Institute Gas diffusion electrode manufacture and MEA fabrication
JP2002343379A (en) * 2001-05-21 2002-11-29 Aisin Seiki Co Ltd Fuel cell, electrode for fuel cell and treating method of the same
EP1341251A1 (en) * 2002-02-28 2003-09-03 OMG AG & Co. KG PEM fuel cell stack
EP1365464B1 (en) * 2002-05-17 2005-12-28 Umicore AG & Co. KG Continuous process for manufacture of gas diffusion layers for fuel cells

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